论文
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The heat generation curves of seven rubber materials used in tires with the changes of temperature have been obtained by using Dynamic Mechanics Analysis technique on NETZSCH DMA242 instrument, knowing that the heat generation of every other rubber materials except inner liner rubber changes lightly alone with the temperature within 10℃~80℃. According to the Fourier law, the heat transfer coefficients of tire rubber are measured by stable method on self-made experiment instrument. The coefficients changes lineally within 20℃~80℃ and the relation formulas λ=λ〓+bt are given out attached with λ〓 and b. The specific heat of tire rubber are measured on Differential Scanning Calorimeter NETZSCH DSC204 and the relations with temperature are linear and the formula is c=c〓+bT, where c〓 and b gained from experiment result data are presented in the paper. The heat convection coefficients on the surface of rolling tire are measured according to the principle of heat-mass transfer analogy principle after simplifying rolling tire into rotating disk with straight movement on wind channel. The relation with rotation speed of disk is linear as h=5. 399+0.0258n and the relation with straight line speed of tire is linear too, h=
论文采用动态力学分析技术,使用NETZSCH DMA 242型实验仪,获得了轮胎用七种胶料的生热率随温度变化曲线,确知除内衬层胶以外,其它各种胶料在一般胎温范围内(10℃~80℃)的生热率随温度变化不大;轮胎胶料的导热系数根据傅立叶定律的基本原理,采用稳态法在自行搭建的实验台上进行测试,结果表明,材料的导热系数在20℃~80℃的温度范围内随温度呈线性变化,论文给出了各种材料导热系数的线性变化的关系式λ=λ〓+bt及其λ〓和b的值;轮胎胶料的比热运用差式扫描量热原理,在NETZSCH DSC204型DSC实验仪上进行测试,结果表明,胶料的比热随温度的变化呈线性变化,其关系可用c=c〓+bT表示,文中给出了根据实验数据拟合的c〓、b的值;对轮胎表面的对流换热系数的测定,本文先将滚动的轮胎简化为有直线运动的旋转圆盘,而后采用萘升华热质比拟技术,在风洞中测量了滚动轮胎表面的对流换热系数,结果表明,圆盘表面对流换热系数与转速呈线性关系,即h=5.399+0.0258n,轮胎表面对流换热系数与其直线运动的速度呈线性关系,即h=
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A simultaneous dual-wavelength continuous wave, quasi-cw or linearly polarized wave diode-end-pumped Nd:YAG laser operating at 1319nm and 1338nm is demonstrated. To the best of our knowledge, our experimental results achieve the highest level in the domestic domain. The simultaneous dual-wavelength laser provides an experimental basis for generating highly coherent THz wave radiation of 3.23THz by nonlinear optical difference frequency method.2. A diode-end-pumped Nd:YAG crystal, type-I critical phase matching LBO crystal intra-cavity frequency doubled, simultaneous multi-wavelength red laser at 659.5nm, 664nm and 669nm is firstly realized.
本论文主要围绕用于差频产生THz辐射源的多波长激光器及THz光子晶体的带隙特性分析而展开,论文的主要内容包括:一、从LD端面泵浦固体激光器的激光阈值公式出发,理论计算了腔镜对于两个波长的透过率关系,实现了LD端面泵浦Nd:YAG 1319nm/1338nm双波长激光连续、准连续及线偏振稳定输出。
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This dissertation is the first comprehensive and thematic study on Lippmann's very book on the mainland so far, and deems that as what is formulated in this book Lippmann was a forerunner to articulate and shape the communication as a distinct intellectual and academic theme.
国内新闻传播学领域的专著和论文对李普曼这部著作的研究很不深入,本文是国内目前第一篇对李普曼及其《民意》一书的专题性研究论文,试图从新闻传播学思想史的框架,分析李普曼《民意》一书的理论贡献。
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The practice that music of 3 elementary school, art teachs professional paper to compose ability to foster considers to make clear, raise student paper to compose ability, should learning ethos of mode, professional academic study, research to advocate independently, exercitation resource is used, literal expression training, teacher coachs the level rises and offer the respect such as safeguard system to take corresponding step.
三届小学音乐、美术教育专业论文写作能力培养的实践探究表明,提高学生论文写作能力,应在自主学习模式、专业理论学习、探究风气倡导、实习资源利用、文字表达练习、教师指导水平提高以及提供保障体系等方面采取相应的办法。
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Walk us through the textual history of Whitman's unpublished poem "Live Oak with Moss"— more than other recent presentations, this one will involve more factual presentation by Wilhelm von Gloeden, Thos Eakins.
带领我们阅读惠特曼未出版之诗篇「活橡树与苔藓」之相关论文--并非其他近期的文章,而是由Wilhelm von Gloeden和 Thos Eakins。所著之根据事实所著之论文
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Beside, this thesis will discuss a number of the location identification methods, such as TDOA, TOA and AOA, etc. By utilizing the time interval of propagating signal as my basic location identification parameter, this thesis examines the suitable location identification methodology based on the Wireless Sensor Network configuration developed within NTU. Some preliminary tests were performed to verify the performance of the newly developed system.
本论文主要目的在於开发适用於无线感测器网路的定位晶片和分析定位功能於现有硬体架构下之可行性,首先本论文中将介绍各种定位方法如TDOA、TOA和AOA等等,最终以量测无线电讯号於空气中传播之时间间隔作为定位架构的基本参数,并试著针对本实验室无线感测器网路的架构寻找适合的定位方式,并进行初步的测试。
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The main thrust of this dissertation is to develop the Application Specific Integrated Circuit of location identification for Wireless Sensor Network and to analyze the capability of location identification in existing hardware. Beside, this thesis will discuss a number of the location identification methods, such as TDOA, TOA and AOA, etc. By utilizing the time interval of propagating signal as my basic location identification parameter, this thesis examines the suitable location identification methodology based on the Wireless Sensor Network configuration developed within NTU. Some preliminary tests were performed to verify the performance of the newly developed system.
本论文主要目的在於开发适用於无线感测器网路的定位晶片和分析定位功能於现有硬体架构下之可行性,首先本论文中将介绍各种定位方法如TDOA、TOA和AOA等等,最终以量测无线电讯号於空气中传播之时间间隔作为定位架构的基本参数,并试著针对本实验室无线感测器网路的架构寻找适合的定位方式,并进行初步的测试。
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From macro to micro and from qualitative to quantitative evaluation, this paper, applicating the theory and technological method of sequence stratigraphy、seismic stratigraphy、 reservoir sedimentology, combining with multispecialty and mutisubject theory that used geology, log, seismic, mathematics and earth physics and basing on synthetic application of regional geology, core, log, seismic and petrophysical property data, has studied the inner structure and characteristic of sequence、system tract and depositional system. Combining with high resolution seismic data and log data, this paper makes a profound analysis of the space pattern and reservoir predictability of depositional system on oil and gas pools of honghaoersute sag.
中文题名陆相断陷湖盆层序地层特征与油气勘探副题名以二连盆地洪浩尔舒特凹陷下白垩统为例外文题名 Terrigenous sequence stratigraphy characteristic hydrocarbon exploration of fault-depressed lacustrine basin:a case study of early cretaceous,Honghaoersute sag,Erlian basin 论文作者谭荣导师赵霞飞教授杜金虎教授级高级工程师学科专业矿产普查与勘探研究领域\研究方向陆相层序地层学与区域油气评价学位级别博士学位授予单位成都理工大学学位授予日期2002 论文页码总数128页关键词层序地层油气勘探二连盆地洪浩尔舒特凹陷油气藏馆藏号BSLW /2002 /P618.13 /325 本文采取从宏观到微观,从定性到定量的研究思路,应用层序地层学、地震地层学、储层沉积学的理论和技术方法,结合区域地质、岩芯、测井、地震、物性资料,采用多专业、多学科理论和方法相结合。
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I am still hesitating on spending much time on it because I am doing some other compusory projects as well. Yes, you are right. From struggling on the papers, we can learn a lot by ourselves. Sorry for the massy words. I cannot type Chinese in labs.
我这次做毕业论文也顺便自学了一些相关的东西,好好做一次论文下来还真是在好几个方面都收获不少,真羡慕你这样专们学习的呀,虽然功课重一些,作业所一些,但到底能够更加深入,是多莫难能可贵的机会亚!
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The main idea of this article is that medical establishment reform of our country should obey nonprofit orientation.
我国医疗机构改革的非营利性取向及其对产权改革的影响是一篇关于,医科论文类论文。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力